CVE-2023-5292
Advanced Custom Fields: Extended <= 0.8.9.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acfe_form' shortcode in versions up to, and including, 0.8.9.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | hwk-fr |
| Product | advanced custom fields: extended |
| Published | Oct 20, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
hwk-fr / Advanced Custom Fields: Extended
0 ≤ 0.8.9.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/dcbe0c72-d518-45d3-a220-896a51071b26?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.3/includes/modules/form/module-form-front.php#L669 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.4/includes/modules/form/module-form-front.php#L669 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2972880/acf-extended#file4
Credits
István Márton